DOUBLE-SIDED PRINTED FOUR RHOMBIC-LOOP ANTENNA WITH PARASITIC LOOPS FOR CIRCULAR POLARIZATION

被引：4
|
作者：
Bai, X. [1 ]
Zhang, X. M. [1 ]
Li, L. [1 ]
Yang, Q. [1 ]
Li, J. Y. [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Tech, Xian 710071, Shaanxi, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2009年 / 23卷 / 13期
关键词：
SQUARE-LOOP; ELEMENT; SERIES;
D O I：
10.1163/156939309789566860
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, a double-sided printed four rhombic-loop antenna for circular polarization is proposed. By selecting a rhombus vertex angle of 60 degree this antenna offers a high gain of 12.7 dBi. Four smaller similar loops are added inside the original four loops as parasitic elements to enhance the axis ratio (AR) bandwidth from 5% to 12%. This antenna is fed by a microstrip tapered balun placed on the same substrate as the antenna for impedance matching. Simulated and measured results of the antenna are presented and show good agreement.
引用
收藏
页码：1795 / 1802
页数：8
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